简介:TheTenthInternationalGastricCancerCongress(IGCC)washeldinVerona,Italy,fromJune19to22,2013.Themeetingenclosedvariousaspectsofstomachtumormanagement,includingbothtightlyclinicalapproaches,andtopicsmorerelatedtobasicresearch.Moreover,anoverviewongastrointestinalstromaltumorswasprovidedtoo,althoughherenotdiscussed.Herewewilldiscusssometopicsrelatedtomolecularbiologyofgastriccancer(GC),inherenttoprognostic,diagnosticandtherapeutictoolsshownattheconference.Resultsaboutwellknownsubjects,suchasE-cadherinlossofexpression/function,werepresented.Theyrevealedthatothermutationsofthegenewereidentified,showingacontinuousresearchtoimprovediagnosisandprognosisofstomachtumor.Simultaneously,newpossiblemolecularmarkerswithanestablishedroleforotherneoplasms,werediscussed,suchasmesothelin,stomatin-likeprotein2andNotch-1.Hence,awideoverviewincludingbotholdandnewdiagnostic/prognostictoolswasoffered.GreatattentionwasalsodedicatedtopossibledrugstobeusedagainstGC.Theyincludedmonoclonalantibodies,suchasMS57-2.1,drugsusedinotherpathologies,suchasmaraviroc,andnaturalextractsfromplantssuchasbiflorin.WewouldliketocontributetosummarizethemostimpressivestudiespresentedattheIGCC,concerningnovelfindingsaboutmolecularbiologyofgastriccancer.Althoughfurtherinvestigationswillbenecessary,itcanbeinferredthatmoreandmoretoolsweredeveloped,soastobetterfacestomachneoplasms.
简介:摘要建立了采用高效液相色谱法同时测定牛奶中10种激素(可的松、氢化可的松、地塞米松、倍他米松、曲安奈德、哈西奈德、醋酸泼尼松、醋酸氟氢可的松、雌酮、黄体酮)的分析方法。样品经乙腈处理沉淀蛋白质后取上清液浓缩,采用反相高效液相色谱法,以乙腈和水为流动相梯度洗脱。10种雌性激素分离效果良好,平均回收率范围80.7%~95.1%,相对标准偏差为1.2%~2.3%。